Patents by Inventor Hollis Yeilding

Hollis Yeilding has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Water level detector
    Patent number: 5850175
    Abstract: A liquid level detector utilizing a housing having a wall portion defining a inner chamber. The inner chamber communicates to the exterior of the housing through an opening which also permits liquid to enter the chamber. A floatation element is pivotally located within the housing and includes a bridging conductor which rotates upwardly. The bridging conductor is capable of contacting a pair of terminals which constitute a portion of an alarm circuit.
    Type: Grant
    Filed: February 19, 1997
    Date of Patent: December 15, 1998
    Inventor: Hollis Yeilding